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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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진공 브레이징을 통해 제조한 TiAl/HI-TEMP 820/SCM440H 재료의 공정 온도에 따른 미세조직 및 기계적 특성 평가
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유상규, 김지원, 이초롱, 오명훈, 최인철
Korean J. Met. Mater.
2024;62(3):229-238. Published online 2024 Feb 28
DOI:
https://doi.org/10.3365/KJMM.2024.62.3.229
Abstract
The TiAl alloy is attracting attention as a lightweight and heat-resistant material, because of its high specific strength, excellent high-temperature formability, and fatigue strength. However, its applications are limited by its high unit price and low room temperature ductility. To overcome this issue, dissimilarly bonded materials have been extensively employed......
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Korean J. Met. Mater.
2021;59(12):904-910. Published online 2021 Nov 19
DOI:
https://doi.org/10.3365/KJMM.2021.59.12.904
Abstract
In this study, half-Heusler (HH) thermoelectric materials Nb
0.8
Hf
0.2
FeSb
0.98
Sn
0.02
(p-type) and Hf
0.25
Zr
0.25
Ti
0.5
NiSn
0.98
Sb
0.02
(n-type) were synthesized using induction melting and spark plasma sintering. For alloying, a conventional induction melting technique was employed rather than arc melting, for mass production compatibility, and the thermoelectric properties of the materials were analyzed. The maximum dimensionless.....
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Web of Science 3
Crossref 2
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Korean J. Met. Mater.
2021;59(9):640-651. Published online 2021 Aug 4
DOI:
https://doi.org/10.3365/KJMM.2021.59.9.640
Abstract
The paper provides experimental details of the welding and specific examples of welding aluminum welding battery cans and conductive tabs for battery pack manufacture. In this study, we provide experimental details of a process for joining dissimilar materials used in sealing battery parts. A laser brazing technique was used for.....
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Korean J. Met. Mater.
2018;56(9):664-673. Published online 2018 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.9.664
Abstract
This study examined the influence of nanosized aluminum nitride (AlN) powders (0, 0.01, 0.05, 0.10, 0.30, and 0.50 wt%), on an Al4047-based filler metal. Nanosized AlN powders were dispersed uniformly into the filler metal by a mechanical mixing and melting route using a stainless steel propeller. The influences of nanosized.....
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Crossref 1
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Korean J. Met. Mater.
2018;56(5):366-374. Published online 2018 May 8
DOI:
https://doi.org/10.3365/KJMM.2018.56.5.366
Abstract
This study examined the effects of the Sn content in a pure active metal filler Ag-Cu-Ti for the brazing of a Cu/ Al
2
O
3
joint. The optimal content of Sn to effectively wet alumina was 5 wt%. The microstructure of the brazed joint showed the presence of an Ag-rich matrix and.....
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Crossref 13
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Korean J. Met. Mater.
2017;55(12):836-844. Published online 2017 Dec 4
DOI:
https://doi.org/10.3365/KJMM.2017.55.12.836
Abstract
The authors report the fabrication of a flexible nickel brazing foil using powdered nickel alloy filler (BNi-2) mixed with an organic binder. The organic binder was composed of a polyacrylic acid polymer, glycol, carbon tetrachloride, and water as a dispersion medium for the powder. The brazing paste so formed was.....
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Crossref 1
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